diff --git a/src/northbridge/intel/haswell/raminit.c b/src/northbridge/intel/haswell/raminit.c
index 9660961..4537783 100644
--- a/src/northbridge/intel/haswell/raminit.c
+++ b/src/northbridge/intel/haswell/raminit.c
@@ -165,7 +165,7 @@
 
 	/* Print the MRC version after executing the UEFI PEI stage */
 	u32 version = mchbar_read32(MRC_REVISION);
-	printk(BIOS_DEBUG, "MRC Version %d.%d.%d Build %d\n",
+	printk(BIOS_DEBUG, "MRC Version %u.%u.%u Build %u\n",
 		(version >> 24) & 0xff, (version >> 16) & 0xff,
 		(version >>  8) & 0xff, (version >>  0) & 0xff);